Home / 2,153,128,230.20-3,231,203,999.70-927,176,511.80

Finding the Fourth Proportional to 2,153,128,230.20, 3,231,203,999.70 and 927,176,511.80

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Solution

The fourth proportional to 2,153,128,230.20, 3,231,203,999.70 and 927,176,511.80 is: 1,391,415,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,128,230.20 : 3,231,203,999.70 = 927,176,511.80 : x
  2. Step 2: Convert to fraction form
    2,153,128,230.20/3,231,203,999.70 = 927,176,511.80/x
  3. Step 3: Cross multiply
    2,153,128,230.20x = 3,231,203,999.70 × 927,176,511.80
  4. Step 4: Simplify right side
    2,153,128,230.20x = 2,995,896,453,356,054,016
  5. Step 5: Solve for x
    x = 2,995,896,453,356,054,016/2,153,128,230.20
  6. Step 6: Final answer
    x = 1,391,415,713.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.